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02:20 | <andygraybeal> omg.. i got ldap to work
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02:20 | err.. ldap auth
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06:06 | <administrator> cant boot
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06:07 | <alkisg> Why?
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06:07 | <Guest21209> network boot
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06:07 | <alkisg> Error?
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06:07 | <Guest21209> not supported
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06:08 | <alkisg> ...I think you should mention more details about the problem, the error message, the distribution you're using, the version, etc etc...
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09:08 | <dyllan> hi all.
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10:01 | <alkisg> !learn local-disks as `On fat clients, only sudoers have access to local disks. One way to give access to non sudoers, is to put in lts.conf: RCFILE_01="mkdir -p /media/local_disk && mount /dev/sda1 /media/local_disk"`
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10:01 | <ltsp> The operation succeeded.
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10:36 | <ogra_> work_alkisg, why dont you just drop a NOPASSWD entry in the /etc/sudoers.d dir ?
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10:36 | <work_alkisg> ogra_: because e.g. I don't want them to erase C:\Windows, I just want to give them access to D:\
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10:36 | I don't want them to be sudoers...
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10:36 | <ogra_> ah
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10:37 | they dont need to be sudoers
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10:37 | <work_alkisg> How so?
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10:37 | <ogra_> all users are in plugdev ...
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10:37 | <work_alkisg> Internal disks aren't in the plugdev group
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10:37 | <ogra_> so you give NOPASSWD access to the plugdev group
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10:38 | <work_alkisg> internal disks are owned by root:disk
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10:38 | <ogra_> ah, yeah, you dont want users to be in the disk group
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10:39 | you could ship a udev rule alongside indeed
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10:39 | <work_alkisg> It's configurable by policykit
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10:39 | <ogra_> that too
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10:39 | <work_alkisg> But with just an RCFILE directive, one can select which partition he wants too... and disallow other users from unmounting it, etc etc
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10:40 | <ogra_> yeah
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10:40 | <work_alkisg> Anyways, gotta go, cheers + bbl
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10:40 | <ogra_> just pretty complex
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10:40 | ciao
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10:48 | <Hyperbyte> A bit offtopic, but anyone here who is experienced with building servers (hardware-wise)?
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10:49 | I've never built a server with enterprise class hardware and I'm wondering if someone could give me some feedback on my hardware list/specs...
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10:52 | http://pastebin.com/EDTSean4
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12:54 | <jammcq> Hyperbyte: I learned a long time ago to save myself from frustration and just go with a good solid name brand server. I've been buying Dell servers and been VERY happy with them
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12:58 | <ogra_> ++
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13:00 | <stgraber> I personally have a preference for HP servers as their RAID hardware tends to have much better Linux support than DELL's (I had to hand-patch some kernels to deal with newgen PERCs). And the entry level machines like a DL180 can be found < 2000$ (can go much higher depending on CPU/RAM/storage obviously)
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13:00 | <jammcq> HP, Dell, IBM... they're all pretty good
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13:01 | but cobbling together a server is fun when you are young, but after you've done it a few times, it's just a pain
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13:07 | <stgraber> though to be fair SuperMicro make extremely good machines and pretty cheap. I've got friends that have been buying tons of those lately, though they order pre-assembled units (which is still much cheaper than some of the other big brands)
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13:07 | <jammcq> pre-assembled is the key
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13:07 | everything fits
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13:09 | <Hyperbyte> jammcq, yeah I know. ;-)
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13:10 | I've seen some pre-assembled servers, those are pretty nice
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13:10 | It's like you said though... building one yourself is fun when you haven't done it before. :)
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13:11 | <jammcq> Hyperbyte: what raid controller would you use?
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13:11 | <Hyperbyte> Onboard one
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13:11 | <jammcq> what is it?
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13:11 | is it any good?
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13:12 | how about power supplies? dual ?
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13:12 | are the disks hot-swappable ?
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13:12 | maybe none of that is important to you
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13:12 | <Hyperbyte> Not sure about onboard RAID, motherboard specs: http://www.supermicro.com/Aplus/motherboard/Opteron6100/SR56x0/H8DG6-F.cfm
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13:12 | <jammcq> but it sure is nice to not have to shutdown to replace a power supply, hard disk, fan,...
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13:12 | cuz all of those things fail
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13:13 | <Hyperbyte> Yeah, those last points are very important actually. I need this thing running without interruptions really. :) Fans are hotswappable, so are power supplies (dual) and so are all harddisks (RAID)
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13:13 | <jammcq> does the case include a hot swap disk cage?
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13:13 | <Hyperbyte> Yep.
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13:14 | <jammcq> integrated matrox video... wow, haven't seen that name in years
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13:14 | <Hyperbyte> Hehe
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13:15 | <jammcq> ah, includes IPMI, that's very handy
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13:15 | I can show you how to talk to it remotely
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13:15 | <Hyperbyte> This is the case, by the way: http://www.supermicro.com/products/chassis/4U/745/SC745TQ-R1200.cfm
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13:16 | <jammcq> wow, i've got one sitting about 3 feet from me that looks very much like that
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13:16 | <Hyperbyte> By the way, speaking of preassembled vs self-built... one of the things I like about this case + motherboard, is that they were designed for eachother.
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13:16 | <jammcq> that helps
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13:16 | when I built mine, I used an Intel motherboard
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13:16 | that's where the trouble started
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13:17 | things didn't line up properly
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13:17 | fans weren't right
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13:17 | video card didn't fit
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13:18 | <Hyperbyte> With the motherboard specifications, it does a few case recommendations, of cases that are optimized for the board. I picked one of those.
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13:49 | <lifeboy> Hi all! I upgraded an LTSP server from Ubuntu 10.10, to 11.04, to 11.10 and finally to 12.04. All went really well, except that dhcpd seems to be misconfigured. Is there a known issue with one of these upgrades by chance that I'm not aware of?
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13:51 | Although the service is configured and running on port 67, it doesn't serve addresses, although the configuration is unchanged
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13:54 | <jammcq> maybe it's only listening on lo
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13:55 | try: netstat -antp | grep ":67"
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13:55 | err
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13:55 | take the 't' out
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13:56 | netstat -anp | grep ":67"
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14:41 | <lifeboy> jammcq: I was just reading up on how to split the logging of dhcpd to /var/log/dhcpd.log instead of syslog, ... then I'll check the results
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14:45 | <unkmar> I attempted installing icedove and get a lot of errors.
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14:47 | just great. I get to reinstall the whole thing ALL over again.
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14:48 | * vagrantc wonders how all these errors show up simply installing packages | |
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14:49 | <vagrantc> unkmar: could you cut and paste the errors to a pastebin?
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14:49 | !pastebin
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14:49 | <ltsp> pastebin: the LTSP pastebin is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebin, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
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14:50 | <unkmar> vagrantc: I installed gnome3 and left lxde in there. Added google chrome, then added icedove. At that point it screaches about jre, mono, and a huge list of stuff.
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14:51 | <vagrantc> unkmar: what apt repositories are you using?
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14:51 | unkmar: and what do you mean about screaches?
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14:53 | <unkmar> http://pastebin.com/0L7Bqtbu
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14:55 | <vagrantc> unkmar: i don't see any error there ... if you could cut-and-paste exactly what's on the screen, that would be helpful
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14:56 | unkmar: but sounds like you're using a third party repository ... all bets are off there
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14:56 | <unkmar> I can't. I'm doing a fresh install. I want to. So that I get the install, configure process documented and memorized. i did not use 3rd party for icedove. Though adding the 3rd party for google chrome possibly made it mad.
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14:58 | I'll likely hit the same problem again during the process so. Just hold tight. :)
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14:58 | <vagrantc> yeah, third party repositories, while not inherrantly problematic, often don't follow the packaging guidelines that make debian work
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14:58 | won't be around much today, but good luck
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14:59 | <unkmar> I'll be doing the install process reversed. with the google chrome going last.
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15:06 | <vagrantc> keep a log of your exact errors...
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15:15 | <unkmar> I blinked during tasksel. Forgot to remove Graphical desktop for the server. That would take a why to download. :(
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15:19 | <ltspuser_40> Hi
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15:19 | I'm using a rdesktop connection to a linux server
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15:19 | and I'm using sshfs to mount a pen drive
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15:19 | from the terminal to the server
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15:20 | the problem is when I edit some file of the pen, the changes are not saved...
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15:21 | is there any way to mount an usb pen using udev on the terminal without cache?
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15:23 | <andygraybeal> ltspuser_40, i know that the FUSE system clears it's cache like every 2 seconds or something
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15:23 | but your using sshfs ... so i dunno :) i'll sit back and wait for an answer.
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15:24 | <vagrantc> unkmar: i've found it's often faster to reinstall than wait for desktop installs to finish
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15:25 | <ltspuser_40> is there any way using FUSE??
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15:25 | if you could explain...
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15:25 | <vagrantc> ltspuser_40: there was some support for that built in to the rdesktop scripts... are you using that, or something else?
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15:29 | <ltspuser_40> to mount I'm using ltspfs_mount...
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15:29 | command
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15:30 | if you can provide me a way to mount usb drives
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15:30 | <vagrantc> ltspuser_40: you're doing it manually?
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15:31 | <unkmar> vagrantc: that's what I did and install is complete. Now for the quick little ltsp install.
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15:34 | <ltspuser_40> yes...
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15:34 | <vagrantc> unkmar: are you using a caching proxy for all this? speeds up reinstalls tremendously...
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15:34 | ltspuser_40: there's some way to do it from the code, but i haven't done so myself
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15:34 | <ltspuser_40> I have udev rules to detect the insertion of the usb and then I run a script that execute the command ltspfs_mount
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15:34 | <unkmar> that would require me to set one up. Thankfully I have 50+ megabit connection.
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15:35 | <vagrantc> ltspuser_40: essentially, it mounts a local ltspfs mount as root, and then passes /media/root as a drive to rdesktop...
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15:35 | unkmar: ah, that would probably make it barely worth it, yes. :)
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15:35 | <ltspuser_40> it mount on /var/run/drives...
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15:35 | <unkmar> the pfsense box may be caching some of it. though i doubt it.
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15:35 | <vagrantc> ltspuser_40: shouldn't need custom udev rules
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15:36 | <ltspuser_40> yes...
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15:36 | I understand but I needed to do it manually
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15:37 | <vagrantc> ltspuser_40: i don't know the answer, but i know it's possible
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15:37 | <ltspuser_40> ok
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15:37 | thank you
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15:37 | <unkmar> the pfsense box may be caching some of it. though i doubt it.
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15:38 | <unkmar> oops, sorry about that.
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16:01 | <lifeboy> jammcq: I get udp 0 0 0.0.0.0:67 0.0.0.0:* 2265/dhcpd
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16:02 | and $ sudo ps ax | grep dhcp
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16:02 | 2265 ? Ss 0:00 /usr/sbin/dhcpd -f -q -4 -pf /run/dhcp-server/dhcpd.pid -cf /etc/ltsp/dhcpd.conf eth1
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16:03 | <unkmar> vagrantc: you there? isn't it nfsroot=ip:/opt/ltsp/amd64 ???
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16:04 | <vagrantc> unkmar: that's valid, sure
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16:04 | unkmar: you could also do /opt/ltsp/amd64, if the DHCP settings were close enough
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16:04 | unkmar: er, nfsroot=/opt/ltsp/amd64
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16:04 | <unkmar> right.
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16:05 | <vagrantc> i don't remember if it still inherrits next-server, which you've got set. (i.e. use the tftp-server if not specified in root-path)
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16:06 | <unkmar> testing in, 3, 2, 1....
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16:07 | no ip = fail. :(
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16:09 | okay, I've missed something. <pout>
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16:10 | reviewing instructions before requesting assistance with nfsmount: need apath.
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16:11 | <vagrantc> unkmar: there are 3 steps, edit /opt/ltsp/<arch>/etc/ltsp/update-kernels.conf, ltsp-chroot /usr/share/ltsp/update-kernels, ltsp-update-kernels
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16:12 | unkmar: if you want to just manually tweak it, edit pxelinux.cfg/default in <tftp>/ltsp/<arch>/pxelinux.cfg/default
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16:12 | <unkmar> that's it. I missed the ltsp-chroot update-kernels.
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16:14 | <vagrantc> i.e. configure it, run the binary that generates the pxelinux configuration, copy the kernel+initramfs+pxelinux stuff over to the tftp dir
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16:15 | <workingcats> hello, i'm having a little trouble with ltsp on zentyal3/ubuntu1204. sometimes it just hangs on logon, displaying the busy mouse pointer
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16:15 | <unkmar> voila, we have desktop.
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16:15 | well, login. Desktop comes after I add user. :)
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16:16 | <workingcats> i cant find anything in Xorg.?.log, dmesg or .xsession-errors.. i'm lost, i just don't know where to even look beyond those places :/
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16:16 | <lifeboy> I have put relevant file contents and logs at http://pastebin.com/mJsnngwH regarding the dhcpd problem I have after upgrading my LTSP server from Ubuntu 10.10 to 12.04
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16:17 | jammcq: forgot to mention you above...
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16:18 | <unkmar> ah, and that still don't work, because I didn't install a desktop manager.
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16:19 | <lifeboy> If anyone would like to venture a solution to get my dhcpd handing out addresses again? http://pastebin.com/mJsnngwH
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16:24 | <unkmar> lifeboy: sorry, I don't know. Been several years since I played with dhcpd.
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16:25 | <workingcats> lifeboy, is this just in the pastebin or did you copy the output of ifconfig into the first config file?
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16:26 | lines 14-45 in your paste
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16:29 | <unkmar> installing icedove
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16:30 | <workingcats> lifeboy, in any case, i think this might be what is getting you - so you'll have to get your clients to send a client id AIUI. https://bugzilla.redhat.com/show_bug.cgi?id=851333
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16:38 | <lifeboy> workingcats: No, it's jus tin the pastebin, sorry, not made clear there
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16:41 | <lifeboy> workingcats: I saw the "Dropped DHCPv4 packet with zero-length client-id" error. However, how can I send a client id, when I have remote boot thin clients? They just send what they send, don't they?
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16:43 | <lifeboy> I fixed the pastebin
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16:43 | <workingcats> lifeboy, i was wondering the same tbh..
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16:44 | maybe there is a way to force the server to ignore this security thing? i assume you only run dhcpd on your internal net anyways (bad advice, a huge share of attacks come from the inside, but it's worth a try to confirm whether this is the problem)
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16:44 | <lifeboy> I'll be back later, just need to attend to something ... if you notice anything else, or find a way to tell dhcpd to ignore the client id, pls post it.
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16:55 | <unkmar> well, the icedove install went well.
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17:07 | <unkmar> installing chrome
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17:07 | ps, I cloned the arch directory before adding anything more than icedove.
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20:13 | <lifeboy> Re dhcpd? It seems since v2.4.2 ISC dhcp-server is ignoring client id's with zero length and will ignore a length of one in future as well. How does one set the client length when using a PXE boot client?
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20:33 | <alkisg> lifeboy: did you rebuild your chroot?
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20:34 | <lifeboy> no, I didn't. I don't think this is an LTSP issue per se, but rather a dhcpd issue, or am I wrong?
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20:35 | <alkisg> You're probably wrong, it's an udhcpc issue
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20:35 | That's in the client initramfs
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20:35 | It had an ancient version there, and I filed a bug in ubuntu to get it in sync with debian, a couple of years ago...
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20:36 | The newer dhcpd is more strict than the old one, but it's still a client problem and not a server problem
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20:36 | <unkmar> * random gibbersh. We don't need persistence. We changed our mind. We need persistance.
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20:37 | so. How about some network share based persistance?
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20:37 | <lifeboy> ok, but when the client starts up in PXE, it needs an ip address before anything else can happend. tftp is not even connected to yet. Or am I misunderstanding this?
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20:37 | <alkisg> lifeboy: there are 2 dhcp requests when the client boots
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20:37 | One, from the NIC BIOS, its PXE stack
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20:37 | Then pxelinux.0 is loaded, then vmlinuz and initrd are loaded
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20:38 | Then, there's a second dhcp request by udhcpc
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20:38 | udhcpc had a problem there, it sent an empty identifier
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20:38 | Then, if that succeeds, nbd is mounted and the real boot starts
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20:39 | <lifeboy> This problem occurs at the first request. The client never gets and ip address, so the boot process stop before LTSP is involved.
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20:39 | <alkisg> So... do you see things like "loading pxelinux.0" etc? Or you think the problem is in the first dhcp request?
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20:39 | <lifeboy> sorry... "never gets an ip address"
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20:39 | <alkisg> So what's the last lines in the client screen?
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20:39 | Note that pxelinux.0 now doesn't display anything if it sees "quiet" in the kernel command line...
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20:40 | <lifeboy> no, it doesn't get to "loading pxelinux.0", its still in the PXE code part where the spinning \ | / is shown and then ....
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20:40 | <alkisg> lifeboy: ah, btw, your router is wrong there in your config, isn't it?
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20:40 | You can't have a gateway outside of your subnet...
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20:41 | option routers 192.168.1.3;
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20:41 | (that's the gateway for the clients, afaik... I haven't used dhcpd in years)
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20:42 | Also, I remember that you were not supposed to specify INTERFACES in /etc/default/isc-dhcp-server , but let dhcpd figure it out from the ethX ip
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20:43 | <lifeboy> hmmm... it works though (when the dhcp was still working)...
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20:43 | but thinking about it, yes, it shouldn't be like that
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20:43 | <alkisg> The newer version might be more strict, so why not put it right to get it out of the "possible problems" list...
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20:44 | <lifeboy> I'll do that and let's see what happens.
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20:44 | <alkisg> Btw, why are you saying that you have dhcpd vs 2.4.2? `apt-cache policy isc-dhcp-server` says "4.1.ESV-R4-0ubuntu5.6" here...
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20:45 | <lifeboy> I did "dhcpd --version" to get that
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20:47 | oh, my bad. I looked up the release notes on the isc website and the notes under 2.4.2 say that the code has been made more strict. But yes, "dhcpd --version" says "isc-dhcpd-4.1-ESV-R4"
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20:49 | <unkmar> Hmm, I see.
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20:50 | <alkisg> unkmar: what do you mean by persistance? /home persistance? or / persistance, for separate clients?
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20:51 | <unkmar> looks like I just need to export /home as (rw) and setup separate users.
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20:51 | <alkisg> Why, the default sshfs isn't good enough?
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20:51 | <unkmar> is there something like an nfshome= like there is nfsroot= ?
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20:52 | alkisg: okay, that's good, how do I go about that??
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20:52 | alkisg: that's going to be a FUSE thing. right?
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20:52 | <alkisg> By default, ltsp clients get /home/username with sshfs, for fats + localapps
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20:52 | You're using debian, right? So you shouldn't need to do anything...
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20:53 | And of course, true thin clients don't need it, as processes are on the server, accessing /home there directly
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20:53 | <unkmar> Okay, then I still missing something. because everytime I reboot, all my settings are lost.
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20:54 | *I am
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20:54 | <alkisg> Fat client? Local (chroot) user or server user?
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20:54 | Using LDM? Or e.g. LightDM or GDM?
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20:56 | <unkmar> I installed lxde. You tell me or remind me how to find out. Cause my brain just went foggy.
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20:57 | <alkisg> OK, first. When you login, do you see LTSP anywhere in the login screen?
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20:57 | <unkmar> lightdm. I found it in /etc/init.d
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20:57 | <alkisg> Like, a big LTSP logo above the "username" box?
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20:57 | <unkmar> booting a client now.
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20:57 | <lifeboy> alkisg: I changed the config of the router and restarted the service, but the same error persists. "dhcpd: Dropped DHCPv4 packet with zero-length client-id". This seems to be intentional with isc-dhcp-server now, so unless there's something magic that can be done to convince my thin clients that their PXE bootROMs have to send at least client ids with length 2, I will have to switch to some other DHCP server, since the thin clients are
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20:57 | all identical. :-(
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20:58 | <alkisg> lifeboy: can you try with ipxe?
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20:58 | !ipxe
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20:58 | <ltsp> ipxe: iPXE is the successor to the etherboot/gPXE project, and can be used to netboot clients that don't have a NIC ROM with a PXE stack. To add it to grub, see !grub-ipxe. To add it to the Windows boot loader, see !win32-loader. To download floppy, CD or USB images, visit http://ipxe.org or install the ipxe package.
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20:58 | <alkisg> If it works with ipxe, then yeah, switch to another dhcp server
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20:58 | <lifeboy> Can't I don't have the hardware. Only Mobo, with onboard NIC, display and RAM...
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20:59 | ie Real Thin Clients
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20:59 | <alkisg> No usb port?
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21:00 | <alkisg> unkmar: typical debian ltsp login screen: http://jonathancarter.org/files/images/ldm_ltsp.png
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21:01 | <vagrantc> unkmar: are you still trying to do the kiosk setup? that wouldn't be persistant
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21:02 | unkmar: you'd need to do fat clients to get homedir persistance
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21:02 | unkmar: and then you'd need accounts on the server for each user
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21:02 | <lifeboy> Yes, 2 x USB + SDCard slot, but the clients are hundreds of kilometers away on a remote site :-( Not just a matter of plugging something in and testing it unfortunately. It will have to be something I change on the server to fix this.
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21:02 | Or I revert to an older version on isc-dhcp-server maybe?
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21:03 | Or will that create other problems?
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21:03 | <unkmar> vagrantc: yeah, I know. separate user accounts for persistance. They need a little different then I was originally told. Not that I'm surprised. :)
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21:03 | vagrantc: what is different in my setup process to do fat clients?
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21:04 | <lifeboy> alkisg: Will I create other problems if I try to revert to a v3 dhcp server?
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21:04 | <vagrantc> unkmar: create user accounts on the server for each user, and LTSP_FATCLIENT=true in lts.conf
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21:04 | unkmar: users need to be able to ssh into the server
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21:04 | unkmar: and ltsp-chroot apt-get install <your favorite desktop applications>
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21:05 | <alkisg> lifeboy: no idea, I haven't used isc-dhcpc in years, I've been using dnsmasq for tftp+dhcp+dns..
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21:05 | <vagrantc> unkmar: if i remember correctly, you had a lot of ram on your clients ... they should automatically set up as fat clients if you have any desktop sessions installed in the chroot
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21:06 | <lifeboy> askisg: I could switch to dnsmasq. I suppose there is a writeup somewhere? I'll google...
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21:06 | <vagrantc> unkmar: and lts.conf can either be in /opt/ltsp/<arch>/etc/lts.conf or <tftpdir>/ltsp/<arch>/lts.conf
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21:06 | unkmar: you might have both /srv/tftp and /var/lib/tftpboot ... but your tftp server likely only uses one of them.
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21:07 | <unkmar> do I need to rebuild or restart something? guessin yes. :/
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21:07 | <vagrantc> unkmar: shouldn't need to
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21:08 | <unkmar> testing in progress.
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21:08 | <vagrantc> unkmar: the lts.conf from tftpdir will override /opt/ltsp/<arch>/etc/lts.conf
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21:15 | <unkmar> having problems, I'm working on it.
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21:18 | still not persistant. :(
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21:26 | okay, ltsp-chroot adduser bob isn't working anymore.
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21:27 | <warren> sbalneav: hey, curious if Enslaver will be granted ltsp-upstream commit access
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21:27 | I trust that he knows enough now to avoid breaking things.
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21:32 | <vagrantc> unkmar: don't add the user to the chroot, add it to the server
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21:32 | <warren> vagrantc: hi
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21:32 | <vagrantc> warren: hi
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21:32 | <vagrantc> warren: i think you should grant Enslaver commit access, for what it's worth
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21:32 | <warren> vagrantc: i don't think I have access to grant
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21:33 | I've been away for so long, my account shouldn't have that kind of power if I do.
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21:33 | * vagrantc never really understood launchpad well | |
21:33 | <warren> but I looked in launchpad just now, I'm "Approved" not "Administrator"
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21:38 | <warren> bbl
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21:42 | <unkmar> vagrantc: that helped.
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23:25 | <sbalneav> warren: Fine by me
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23:26 | +1 for Enslaver
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23:28 | <warren> sbalneav: Idon't have access to grant it
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23:30 | <sbalneav> LOL, not sure I do either.
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23:30 | I know it was discussed at the last meeting.
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23:30 | vagrantc: you and alkisg ok?
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23:32 | lemme see if I can figgure this out...
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23:38 | warren: or Enslaver
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23:38 | What's yer launchpad id
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23:38 | <vagrantc> sbalneav: i've been nudging for Enslaver to get commit access for a while now...
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23:38 | <sbalneav> I'll give it to him right now.
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23:39 | I just need to know his launchpad id
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23:39 | vagrantc: You need to be far less nudgy and far more sledge-hammery.
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23:39 | You've met me.
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23:40 | You should know subtlety isn't my forte :D
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23:42 | <vagrantc> sbalneav: https://launchpad.net/~enslaver-l ?
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23:45 | <sbalneav> Bada-bing, bada-boom.
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23:45 | Try that.
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23:46 | Enslaver, warren, vagrantc: The deed is done. This contract is sealed.
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23:47 | * sbalneav vanished is a puff of sulpherous smoke | |
23:47 | <sbalneav> vanishes in a rats
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23:47 | Spoiled my dramatic exit.
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23:47 | Gotta take my kid somewhere, back in a bit.
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23:51 | * jammcq missed all the fun :( | |
23:55 | <warren> Enslaver: there you go
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23:56 | Enslaver: I'll have a little time to review your changes in ~2 weeks, but that's probably too long to wait.
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